Ashnod's Altar and Phyrexian Altar are possibly the most classic and straightforward sac outlets, and for good reason
Unlike most of the creatures on this list, this one is actually played
Celebrations' Gold Star Umbreon Is A Very Rare Pokmon Card One of the games rarest and hardest cards to obtain was Gold Star Umbreon, which was released exclusively as part of the POP Series 5 expansion
The team even considered making cards based on specific moves or iconic things that werent characters themselves (for example, something like a Round One or "Perfect" card), but that they instead decided to represent moves as abilities on each creature
Playing cards of the top of your library is incredibly strong and because almost every creature in this deck has 4 or more power, youre going to be able to cast them with regularity
The trigger is obviously easy enough to hit with your draw step every turn, and the death trigger also seems like it provides some nice insurance